linux-2.6.git
15 years ago[POWERPC] 83xx: Add MPC832x RDB board support.
Michael Barkowski [Mon, 19 Mar 2007 14:15:28 +0000 (09:15 -0500)]
[POWERPC] 83xx: Add MPC832x RDB board support.

Add support for the MPC8323E Reference Development Board (RDB).  The board
is a mini-ITX reference board with 64M DDR2, 16M flash, USB, PCI,
10/100 ethernet, serial, and phone ports.

Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] 83xx: Removed dead header
Kumar Gala [Thu, 15 Mar 2007 15:01:14 +0000 (10:01 -0500)]
[POWERPC] 83xx: Removed dead header

mpc832x_mds.h was exporting a function that didn't exist anymore.  Once removed
the header had no purpose.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] QE: fix invalid pointer usage in ucc_slow_init()
Timur Tabi [Thu, 15 Mar 2007 14:48:53 +0000 (09:48 -0500)]
[POWERPC] QE: fix invalid pointer usage in ucc_slow_init()

In two places, ucc_slow_init() passes a physical address instead of the
virtual address to functions that were expecting the latter, causing a kernel
panic.  us_info->regs contains the physical address of the UCC register set.
The registers are ioremap'd to kernel space, and the virtual pointers are
stored in us_regs.  The code was using us_info->regs when it should have been
using us_regs.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] 83xx: Delete unused header file.
Robert P. J. Day [Sat, 10 Mar 2007 21:17:28 +0000 (16:17 -0500)]
[POWERPC] 83xx: Delete unused header file.

  Delete apparently unused header file
arch/powerpc/platforms/83xx/mpc834x_itx.h.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] QE: automatically select QE options
Timur Tabi [Mon, 12 Mar 2007 20:40:27 +0000 (15:40 -0500)]
[POWERPC] QE: automatically select QE options

Change the Kconfig files so that the Freescale QE options are automatically
selected if a QE device is selected.  Previously, you'd need to manually
select UCC_FAST if you want any "fast" UCC devices, such as Gigabit Ethernet.
Now, the QE Gigabit Ethernet option is always available if the device has a
QE, and UCC_FAST is automatically enabled.  A side-effect is that the
"QE Options" menu no longer exists.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] 86xx/85xx: Unify Freescale PCI Express memory map registers structure
Zang Roy-r61911 [Fri, 9 Mar 2007 05:27:28 +0000 (13:27 +0800)]
[POWERPC] 86xx/85xx: Unify Freescale PCI Express memory map registers structure

Unify PCI Express memory map registers structure define
to arch/pwoerpc/sysdev/fsl_pcie.h for Freescale 85xx/86xx
processor family.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] 86xx/85xx: Move 8641 PCI-Express to arch/powerpc/sysdev/fsl_pcie.c.
Jon Loeliger [Wed, 7 Mar 2007 20:48:45 +0000 (14:48 -0600)]
[POWERPC] 86xx/85xx: Move 8641 PCI-Express to arch/powerpc/sysdev/fsl_pcie.c.

This move sets the stage for the use of generic PCI Express
code in 85xx and 86xx parts from FSL.  Subsequent patches
for 8548 and 8544 will be able to use this shared code.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] 86xx: Added 2nd PCI-Ex controller support for MPC8641 HPCN to DTS.
Zhang Wei [Wed, 7 Mar 2007 17:47:41 +0000 (11:47 -0600)]
[POWERPC] 86xx: Added 2nd PCI-Ex controller support for MPC8641 HPCN to DTS.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] New reg.h for the zImage
David Gibson [Thu, 22 Mar 2007 06:02:21 +0000 (17:02 +1100)]
[POWERPC] New reg.h for the zImage

This patch adds a reg.h to the zImage code, with common definitions
for accessing system registers.  For now, this includes functions for
retrieving the PVR and the stack pointer.  This patch then uses the
new reg.h to let start() display the running stack address without
having to explicitly pass the stack as a parameter from the asm code.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Add gcc format warnings to zImage printf()
David Gibson [Thu, 22 Mar 2007 05:59:13 +0000 (16:59 +1100)]
[POWERPC] Add gcc format warnings to zImage printf()

This patch adds the correct attributes to the zImage's versions of
printf to make gcc generate format string mismatch warnings.  It also
corrects several minor problems with format strings in the zImage thus
discovered.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] boot: Use a common zImage rule
Milton Miller [Wed, 21 Mar 2007 15:03:23 +0000 (09:03 -0600)]
[POWERPC] boot: Use a common zImage rule

Before the plethora of platforms gets any worse, establish a common
rule to invoke the wrapper for any platform.  Add arguments to
the rule for initrd, dts, dtb, etc.   Show example usage with initrd.

Create default rules for zImage, and zImage.initrd.  initrd targets
depend on the ramdisk file.

Don't consider targets for zImage.initrd that are targets for zImage.
This means uImage is no longer considered a target for zImage.initrd.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] boot: clean rule fixes
Milton Miller [Wed, 21 Mar 2007 15:03:10 +0000 (09:03 -0600)]
[POWERPC] boot: clean rule fixes

Now that obj-boot is in targets, we can remove (twice) it from clean-files.
zImage.initrd was missing, move zImage nearer where its used, and place
zImage.initrd next to it.  Remove non-ported zImage.sandpoint, and add
auto-generation of unconfigured zImage.initrd* like image-.

Signed-off-by: Milton Miller <miltonm@bga.com>
--
Testing: did a few builds and cleans
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] boot: Use FORCE
Milton Miller [Wed, 21 Mar 2007 15:02:37 +0000 (09:02 -0600)]
[POWERPC] boot: Use FORCE

Kbuild if_changed and if_changed_dep require the use of the dummy
FORCE to get the dependencies right.   Also add to targets to get
correct behavior.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Allow platforms to call library zImage_start
Milton Miller [Wed, 21 Mar 2007 15:02:53 +0000 (09:02 -0600)]
[POWERPC] bootwrapper: Allow platforms to call library zImage_start

Some platforms might need to run some code before the zImage start, but
could otherwise use the bss clear and relocation code.   Export the
start address strongly as zImage_start_lib.

Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Add a fatal error helper
Milton Miller [Wed, 21 Mar 2007 15:02:44 +0000 (09:02 -0600)]
[POWERPC] bootwrapper: Add a fatal error helper

Add a macro fatal that calls printf then exit.  User must include stdio.h.

Typically replaces 3 lines with 1, although I added back some whitespace.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years agoMerge branch 'ppc_kconfig' of master.kernel.org:/pub/scm/linux/kernel/git/galak/power...
Paul Mackerras [Mon, 26 Mar 2007 04:08:19 +0000 (14:08 +1000)]
Merge branch 'ppc_kconfig' of /linux/kernel/git/galak/powerpc into for-2.6.22

15 years ago[POWERPC] powermac: disallow pmu sleep notifiers from aborting sleep
Johannes Berg [Mon, 19 Mar 2007 10:53:55 +0000 (11:53 +0100)]
[POWERPC] powermac: disallow pmu sleep notifiers from aborting sleep

Tracing through the code, no current PMU sleep notifier can abort sleep.
Since no new PMU sleep notifiers should be added, this patch simplifies the
code and removes the ability to abort sleep.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Generic time suspend/resume code
Johannes Berg [Mon, 19 Mar 2007 10:53:53 +0000 (11:53 +0100)]
[POWERPC] Generic time suspend/resume code

This removes the time suspend/restore code that was done through
a PMU notifier in arch/platforms/powermac/time.c.

Instead, introduce arch/powerpc/sysdev/timer.c which creates a sys
device and handles time of day suspend/resume through that.

This should probably be replaced by using the generic RTC framework
but for now it gets rid of the arcane powermac specific hack.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] ppc: Fix PCIX configuration of Ocotea & Taishan for > 512MB DDR
Stefan Roese [Fri, 16 Mar 2007 20:06:00 +0000 (21:06 +0100)]
[POWERPC] ppc: Fix PCIX configuration of Ocotea & Taishan for > 512MB DDR

Change the configuration of the PCIX PCI->PLB inbound memory window
to be 2GB instead of 512kB. The comment already mentioned 2GB, but the
code unfortunately didn't reflect this.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Use lowercase for hex printouts in oops messages.
anton@samba.org [Wed, 21 Mar 2007 01:38:19 +0000 (20:38 -0500)]
[POWERPC] Use lowercase for hex printouts in oops messages.

Use lowercase for hex printouts in oops messages. The number of times I have
tried to copy and paste from an oops into an objdump search...

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Fix backwards ? : when printing machine type
anton@samba.org [Wed, 21 Mar 2007 01:38:14 +0000 (20:38 -0500)]
[POWERPC] Fix backwards ? : when printing machine type

Looks like someone got this backwards, highlighting the perils of the
? : !!! :)

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Handle recursive oopses
anton@samba.org [Wed, 21 Mar 2007 01:38:13 +0000 (20:38 -0500)]
[POWERPC] Handle recursive oopses

Handle recursive oopses, like on x86. We had a few cases recently where
we locked up in oops printing and didnt make it into crashdump.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Clean up pmac_backlight_unblank in oops path
anton@samba.org [Wed, 21 Mar 2007 01:38:12 +0000 (20:38 -0500)]
[POWERPC] Clean up pmac_backlight_unblank in oops path

Move pmac_backlight_unblank into its own function and only take the
pmac_backlight_mutex when we are on a pmac for that added bit of
paranoia.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Add missing oops_enter/oops_exit
anton@samba.org [Wed, 21 Mar 2007 01:38:11 +0000 (20:38 -0500)]
[POWERPC] Add missing oops_enter/oops_exit

Add missing oops_enter/oops_exit, makes pause_on_oops boot parameter work.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Created arch/powerpc/platforms/Kconfig for "Platform support"
Kumar Gala [Fri, 16 Mar 2007 14:32:17 +0000 (09:32 -0500)]
[POWERPC] Created arch/powerpc/platforms/Kconfig for "Platform support"

Split "Platform support" menu out from arch/powerpc/Kconfig into
arch/powerpc/platforms/Kconfig in prep for allowing other sub-arches to
be configured via a single "Platform support" menu.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] Split several platforms into their respective Kconfig file
Kumar Gala [Fri, 16 Mar 2007 14:14:08 +0000 (09:14 -0500)]
[POWERPC] Split several platforms into their respective Kconfig file

Moved pseries, iseries, chrp, prep, maple and pasemi into their respective
arch/powerpc/platform/*/Kconfig files out of arch/powerpc/Kconfig

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] Removed config options that we don't support in embedded6xx
Kumar Gala [Fri, 16 Mar 2007 13:46:55 +0000 (08:46 -0500)]
[POWERPC] Removed config options that we don't support in embedded6xx

When we started arch/powerpc we duplicated a number of config options from
arch/ppc for various platforms that are supported.  Now that we actually
support a few platforms, remove all the ones that haven't been moved over.
Additionally, this cleanup moved the 82xx/PQ2 options over into
arch/powerpc/platforms/82xx/Kconfig where they belong.  It also killed
GEN550 which doesn't exist in arch/powerpc.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] Split cell platforms into their respective Kconfig file
Kumar Gala [Fri, 16 Mar 2007 13:13:18 +0000 (08:13 -0500)]
[POWERPC] Split cell platforms into their respective Kconfig file

Cleaning up arch/powerpc/Kconfig platform support.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] Split powermac platforms into their own Kconfig file
Kumar Gala [Thu, 15 Mar 2007 23:15:07 +0000 (18:15 -0500)]
[POWERPC] Split powermac platforms into their own Kconfig file

Cleaning up arch/powerpc/Kconfig platform support.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] Split 52xx platforms into their own Kconfig file
Kumar Gala [Thu, 15 Mar 2007 23:13:20 +0000 (18:13 -0500)]
[POWERPC] Split 52xx platforms into their own Kconfig file

Cleaning up arch/powerpc/Kconfig platform support.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years ago[POWERPC] Remove last_syscall
Anton Blanchard [Tue, 20 Mar 2007 15:08:33 +0000 (10:08 -0500)]
[POWERPC] Remove last_syscall

Remove last_syscall from 32bit powerpc, its been gone in 64bit for years.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Remove _get_SP
Anton Blanchard [Tue, 20 Mar 2007 15:07:12 +0000 (10:07 -0500)]
[POWERPC] Remove _get_SP

We already have an inline __get_SP, no need for yet another one.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: restructure multi-function support
Linas Vepstas [Mon, 19 Mar 2007 20:01:31 +0000 (15:01 -0500)]
[POWERPC] EEH: restructure multi-function support

Rework how multi-function PCI devices are identified and traversed.
This fixes a bug with multi-function recovery on Power4 that was
introduced by a recent Power4 EEH patch.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: verify state change
Linas Vepstas [Mon, 19 Mar 2007 19:59:59 +0000 (14:59 -0500)]
[POWERPC] EEH: verify state change

After requesting a state change, verify that the state change
actually ocurred, and the system ends up in the expected state.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: rm un-needed data
Linas Vepstas [Mon, 19 Mar 2007 19:59:10 +0000 (14:59 -0500)]
[POWERPC] EEH: rm un-needed data

The EEH event notification system passes around data that is
not needed or at least, not used properly. Stop passing this
data; get it in a more reliable fashion.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: wait for slot status
Linas Vepstas [Mon, 19 Mar 2007 19:58:07 +0000 (14:58 -0500)]
[POWERPC] EEH: wait for slot status

Modify routine that returns PCI slot status to wait for slot status
to become available. This is needed, as slots that are in some remote
card cage may go offline for extended periods of time. New users for
this routine in following patches.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: handle reset state high
Linas Vepstas [Mon, 19 Mar 2007 19:56:43 +0000 (14:56 -0500)]
[POWERPC] EEH: handle reset state high

Some firmware versions will return a slot reset state of "1"
when a slot is EEH frozen. Recognize this as a state that can be
handled.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: multifunction recovery bugfix
Linas Vepstas [Mon, 19 Mar 2007 19:55:51 +0000 (14:55 -0500)]
[POWERPC] EEH: multifunction recovery bugfix

If the second or higher function of a multi-function device fails
to recover, this failure is not reported upwards. Fix this.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: hotplug recovery bugfix
Linas Vepstas [Mon, 19 Mar 2007 19:55:10 +0000 (14:55 -0500)]
[POWERPC] EEH: hotplug recovery bugfix

If a device driver does not have native PCI error recovery,
a hotplug error recovery will be attemped. In this case,
the device driver will not report back whether its healthy
or not; simply assume that it is.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: support ibm,get-config-addr-info2 RTAS call
Linas Vepstas [Mon, 19 Mar 2007 19:54:21 +0000 (14:54 -0500)]
[POWERPC] EEH: support ibm,get-config-addr-info2 RTAS call

Provide support for the new ibm,get-config-addr-info2 RTAS token,
whenever it is actually available.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: Tolerate high mmio
Linas Vepstas [Mon, 19 Mar 2007 19:53:22 +0000 (14:53 -0500)]
[POWERPC] EEH: Tolerate high mmio

Some drivers will attempt to perform a lot of mmio even after
an EEH event was detected. This is especially the case for fast cpu's
and PCI-E slots. Be a bit more lenient in allowing this.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: Add clarifying messages.
Linas Vepstas [Mon, 19 Mar 2007 19:52:04 +0000 (14:52 -0500)]
[POWERPC] EEH: Add clarifying messages.

There are multiple code patchs tht resuls in a "permanent
failure"; when examining rare events, it can be hard to see
which was taken. This patch adds printk's to assist.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EEH: modify order of EEH state checking
Linas Vepstas [Mon, 19 Mar 2007 19:51:00 +0000 (14:51 -0500)]
[POWERPC] EEH: modify order of EEH state checking

Change the order in which pci error state is examined;
the "capabilites" is not valid if "reset state" is 5.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Minor paca optimisation
Stephen Rothwell [Fri, 16 Mar 2007 06:47:07 +0000 (17:47 +1100)]
[POWERPC] Minor paca optimisation

Move the slb_shadow_ptr field into the first cache line since it is
(like everything there) read-only after boot.  It is in fact statically
initialised and thereafter only read.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] boot: export flush_cache
Milton Miller [Mon, 19 Mar 2007 20:58:06 +0000 (14:58 -0600)]
[POWERPC] boot: export flush_cache

Move the declaration of flush_cache to ops.h for use by platform code.

Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] boot: rebuild when wrapper changes
Milton Miller [Mon, 19 Mar 2007 20:58:04 +0000 (14:58 -0600)]
[POWERPC] boot: rebuild when wrapper changes

Since there is magic defined per platform in the wrapper script, the
zImage targets should depend on it.

Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Make setprop accept a const buffer.
Scott Wood [Fri, 16 Mar 2007 17:28:49 +0000 (12:28 -0500)]
[POWERPC] bootwrapper: Make setprop accept a const buffer.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Document the linux,network-index property.
Scott Wood [Fri, 16 Mar 2007 17:28:46 +0000 (12:28 -0500)]
[POWERPC] Document the linux,network-index property.

To allow more robust association of each network device node with an
index (such as is used by the firmware or an EEPROM to indicate MAC
addresses), a network device's node may specify the index explicitly.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Make compression of the kernel image optional.
Scott Wood [Fri, 16 Mar 2007 17:27:59 +0000 (12:27 -0500)]
[POWERPC] bootwrapper: Make compression of the kernel image optional.

The --no-gzip option can be passed to the wrapper so that the kernel
image is included uncompressed into the zImage.  This is intended for
bootloaders where the zImage itself can be compressed, or where boot time
is considered more important than kernel image size.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Add dt_ops methods.
Scott Wood [Fri, 16 Mar 2007 17:27:54 +0000 (12:27 -0500)]
[POWERPC] bootwrapper: Add dt_ops methods.

Add get_parent, create_node, and find_node_by_prop_value to dt_ops.
Currently only implemented by flatdevtree_misc.

Also, add a _str convenience wrapper for setprop.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Correct apparently misspelled "XMON" preprocessor symbol.
Robert P. J. Day [Thu, 8 Mar 2007 16:19:39 +0000 (11:19 -0500)]
[POWERPC] Correct apparently misspelled "XMON" preprocessor symbol.

Correct the apparent misspelling of "XMON" to "CONFIG_XMON".

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Add documentation for the zImage's gunzip convenience functions
David Gibson [Wed, 14 Mar 2007 05:32:17 +0000 (16:32 +1100)]
[POWERPC] Add documentation for the zImage's gunzip convenience functions

This patch adds documenting comments to the gunzip convenience
functions added in commit ad9d2716cfc1cda5a7e0d7bc0db45e3af8a4adbb.
It also removes a stray newline, and an unused global variable.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Update documentation for flat device tree format v17
David Gibson [Wed, 14 Mar 2007 00:50:40 +0000 (11:50 +1100)]
[POWERPC] Update documentation for flat device tree format v17

This patch updates booting-without-of.txt to describe version 17 of
the flattened device tree format.  Version 17 is a small, backwards
compatible change from version 16, adding an extra field giving the
size of the device tree's structure block.  At this time, the kernel
has no use for the extra information, however its presence can make
life easier for bootloaders or other software manipulating the tree.

In addition this patch adds information on the size_dt_strings field
of the device tree header, present since version 3 of the flattened
tree format, but omitted from the documentation.  It also makes
changes to consistently refer to versions 16 and 17 as versions 16 and
17 in decimal, rather than version 0x10 which was occasionally used
for version 16 previously.

Finally, we also add the new field to the definition of the device
tree header structure in prom.h

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] 8xx parenthesis balance
Mariusz Kozlowski [Thu, 15 Mar 2007 22:20:44 +0000 (23:20 +0100)]
[POWERPC] 8xx parenthesis balance

This balances parenthesis in powerpc 8xx header files.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] ibmebus: dynamic addition/removal of adapters, some code cleanup
Joachim Fenkes [Fri, 9 Mar 2007 18:00:32 +0000 (19:00 +0100)]
[POWERPC] ibmebus: dynamic addition/removal of adapters, some code cleanup

This adds two sysfs attributes to /sys/bus/ibmebus which can be used to
notify the ebus driver of added / removed ebus devices in the OF device
tree.

Echoing the device's location code (as found in the OFDT "ibm,loc-code"
property) into the "probe" attribute will notify ebus of addition of the
device and cause the appropriate device driver's probe function to be called
on the device.

Likewise, echoing the location code into the "remove" attribute will cause
the device to be removed from the system.

The writes will block until the respective operation has finished and return
an error code if the operation failed.

In addition, two minor tidbits are fixed:

- The fake root device used to provide a common parent for all ebus devices
  is now based on device instead of of_device - it had no associated devtree
  node. This saves several checks throughout the ebus driver.

- The sysfs attributes are now generated automagically by device_register()
  instead of by the ibmebus code, which saves a few compiler warnings about
  unused return codes.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] ibmebus: whitespace fixes
Joachim Fenkes [Fri, 9 Mar 2007 17:56:46 +0000 (18:56 +0100)]
[POWERPC] ibmebus: whitespace fixes

This fixes a lot of whitespace in ibmebus.[ch]

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] 32-bit early_init() should zero from __bss_start to __bss_stop only
Mark A. Greer [Wed, 25 Oct 2006 23:36:49 +0000 (16:36 -0700)]
[POWERPC] 32-bit early_init() should zero from __bss_start to __bss_stop only

Currently, early_init() in setup_32.c zeroes from '_bss_start' to '_end'.
It should only zero from '__bss_start' to '__bss_stop'.  This patch does that.

Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Make ft_create_node() pay attention to the parent parameter.
Scott Wood [Mon, 12 Mar 2007 20:41:59 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Make ft_create_node() pay attention to the parent parameter.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Add ft_find_node_by_prop_value().
Scott Wood [Mon, 12 Mar 2007 20:41:58 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Add ft_find_node_by_prop_value().

ft_find_node_by_prop_value() finds nodes with the specified
property/value pair.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Make ft_get_parent() return a phandle, and NULL if already...
Scott Wood [Mon, 12 Mar 2007 20:41:56 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Make ft_get_parent() return a phandle, and NULL if already top-level.

Most of ft_get_parent() is factored out into __ft_get_parent(), which
deals only in internal node pointers.  The ft_get_parent() wrapper
handles phandle conversion in both directions (previously,
ft_get_parent() did not convert its return value).

It also now returns NULL as the parent of the toplevel node, rather than
just returning the toplevel node again (which made it rather useless in
loops).

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Refactor ft_get_prop() into internal and external functions.
Scott Wood [Mon, 12 Mar 2007 20:41:54 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Refactor ft_get_prop() into internal and external functions.

The property searching part of ft_get_prop is factored out into an
internal __ft_get_prop() which does not deal with phandles and does not
copy the property data.  ft_get_prop() is then a wrapper that does the
phandle translation and copying.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Add ft_find_device_rel().
Scott Wood [Mon, 12 Mar 2007 20:41:53 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Add ft_find_device_rel().

Add a function to look up a relative, rather than absolute, path name.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Use map_string() instead of lookup_string() in ft_prop().
Scott Wood [Mon, 12 Mar 2007 20:41:51 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Use map_string() instead of lookup_string() in ft_prop().

When adding a property, the property name should be added to the string
table if it doesn't already exist.  map_string() does that;
lookup_string() will fail instead.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Modify *pp, not *p, in ft_shuffle().
Scott Wood [Mon, 12 Mar 2007 20:41:48 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Modify *pp, not *p, in ft_shuffle().

Move the caller's pointer back to match the change in the region's start,
rather than alter a byte of the device tree's content.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Preserve the pp pointer in ft_make_space() when calling ft_reo...
Scott Wood [Mon, 12 Mar 2007 20:41:47 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Preserve the pp pointer in ft_make_space() when calling ft_reorder().

The ft_reorder() function may change the start of the region of interest,
so the pointer provided by the caller into that region must be fixed up
to still point to the same datum.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Make ft_get_phandle() accept and return NULL.
Scott Wood [Mon, 12 Mar 2007 20:41:45 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Make ft_get_phandle() accept and return NULL.

Currently, if ft_get_phandle() is passed NULL it will allocate an entry
for it and return a non-NULL phandle.  This patch makes it simply pass
the NULL through.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Rename ft_node_add() to ft_get_phandle().
Scott Wood [Mon, 12 Mar 2007 20:41:44 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Rename ft_node_add() to ft_get_phandle().

This name better reflects what the function does, which is to
look up the phandle for an internal node pointer, and add it to the
internal pointer to phandle table if not found.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Add ft_root_node().
Scott Wood [Mon, 12 Mar 2007 20:41:42 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Add ft_root_node().

Clean up some of the open-coded data structure references by providing a
function to return a pointer to the tree's root node.  This is only used
in high-level functions trying to access the root of the tree, not in
low-level code that is actually manipulating the data structure.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] bootwrapper: Add stddef.h to ops.h
Scott Wood [Mon, 12 Mar 2007 20:41:38 +0000 (14:41 -0600)]
[POWERPC] bootwrapper: Add stddef.h to ops.h

ops.h references NULL, so include stddef.h, so files including ops.h
don't have to.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Mark A. Greer <mgreer@mvista.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] zImage: Cleanup and improve zImage entry point
David Gibson [Mon, 5 Mar 2007 03:24:52 +0000 (14:24 +1100)]
[POWERPC] zImage: Cleanup and improve zImage entry point

This patch re-organises the way the zImage wrapper code is entered, to
allow more flexibility on platforms with unusual entry conditions.
After this patch, a platform .o file has two options:

1) It can define a _zimage_start, in which case the platform code gets
   control from the very beginning of execution.  In this case the
   platform code is responsible for relocating the zImage if necessary,
   clearing the BSS, performing any platform specific initialization, and
   finally calling start() to load and enter the kernel.

2) It can define platform_init().  In this case the generic crt0.S
   handles initial entry, and calls platform_init() before calling
   start().  The signature of platform_init() is changed, however, to
   take up to 5 parameters (in r3..r7) as they come from the platform's
   initial loader, instead of a fixed set of parameters based on OF's
   usage.

   When using the generic crt0.S, the platform .o can optionally
   supply a custom stack to use, using the BSS_STACK() macro.  If this
   is not supplied, the crt0.S will assume that the loader has
   supplied a usable stack.

In either case, the platform code communicates information to the
generic code (specifically, a PROM pointer for OF systems, and/or an
initrd image address supplied by the bootloader) via a global
structure "loader_info".

In addition the wrapper script is rearranged to ensure that the
platform .o is always linked first.  This means that platforms where
the zImage entry point is at a fixed address or offset, rather than
being encoded in the binary header can be supported using option (1).

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] zImage: Cleanup and improve prep_kernel()
David Gibson [Mon, 5 Mar 2007 03:24:52 +0000 (14:24 +1100)]
[POWERPC] zImage: Cleanup and improve prep_kernel()

This patch rewrites prep_kernel() in the zImage wrapper code to be
clearer and more flexible.  Notable changes:

- Handling of the initrd image from prep_kernel() has moved
into a new prep_initrd() function.
- The address of the initrd image is now added as device tree
properties, as the kernel expects.
- We only copy a packaged initrd image to a new location if it
is in danger of being clobbered when the kernel moves to its final
location, instead of always.
- By default we decompress the kernel directly to address 0,
instead of requiring it to relocate itself.  Platforms (such as OF)
where doing this could clobber still-live firmware data structures can
override the vmlinux_alloc hook to provide an alternate place to
decompress the kernel.
- We no longer pass lots of information between functions in
global variables.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] zImage: Add more flexible gunzip convenience functions
David Gibson [Mon, 5 Mar 2007 03:24:52 +0000 (14:24 +1100)]
[POWERPC] zImage: Add more flexible gunzip convenience functions

At present, arch/powerpc/boot/main.c includes a gunzip() function
which is a convenient wrapper around zlib.  However, it doesn't
conveniently allow decompressing part of an image to one location,
then the remainder to a different address.

This patch adds a new set of more flexible convenience wrappers around
zlib, moving them to their own file, gunzip_util.c, in the process.
These wrappers allow decompressing sections of the compressed image to
different locations.  In addition, they transparently handle
uncompressed data, avoiding special case code to handle uncompressed
vmlinux images.

The patch also converts main.c to use the new wrappers, using the new
flexibility to avoid decompressing the vmlinux's ELF header twice as
we did previously.  That in turn means we avoid extending our
allocations for the vmlinux to allow space for the extra copy of the
ELF header.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] 750CL cputable entry
Jake Moilanen [Tue, 3 Oct 2006 19:29:34 +0000 (14:29 -0500)]
[POWERPC] 750CL cputable entry

750CL cputable entry from Steve Winiecki.

Signed-off-by: Jake Moilanen <moilanen@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Remove fixed setting of ROOT_DEV for 7448HPC2 platforms
Zang Roy-r61911 [Tue, 6 Mar 2007 06:10:36 +0000 (14:10 +0800)]
[POWERPC] Remove fixed setting of ROOT_DEV for 7448HPC2 platforms

Remove fixed setting of ROOT_DEV for 7448HPC2 platforms.
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Make find_and_init_pbs() a void function
Stephen Rothwell [Sun, 4 Mar 2007 06:07:38 +0000 (17:07 +1100)]
[POWERPC] Make find_and_init_pbs() a void function

It always returned 0 and noone checked.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Allow xmon to build without CONFIG_DEBUG_BUGVERBOSE
Stephen Rothwell [Sun, 4 Mar 2007 06:05:34 +0000 (17:05 +1100)]
[POWERPC] Allow xmon to build without CONFIG_DEBUG_BUGVERBOSE

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Allow pSeries to build without CONFIG_PCI
Stephen Rothwell [Sun, 4 Mar 2007 06:04:44 +0000 (17:04 +1100)]
[POWERPC] Allow pSeries to build without CONFIG_PCI

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Make iSeries build without CONFIG_PCI
Stephen Rothwell [Sun, 4 Mar 2007 06:03:48 +0000 (17:03 +1100)]
[POWERPC] Make iSeries build without CONFIG_PCI

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Create and use get_pci_dma_ops()
Stephen Rothwell [Sun, 4 Mar 2007 06:02:41 +0000 (17:02 +1100)]
[POWERPC] Create and use get_pci_dma_ops()

This allows us to hide pci_dma_ops.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Create and use set_pci_dma_ops
Stephen Rothwell [Sun, 4 Mar 2007 05:58:39 +0000 (16:58 +1100)]
[POWERPC] Create and use set_pci_dma_ops

This will allow us to build without PCI easier.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] DMA 4GB boundary protection
Jake Moilanen [Fri, 2 Mar 2007 21:49:43 +0000 (15:49 -0600)]
[POWERPC] DMA 4GB boundary protection

There are many adapters which can not handle DMAing acrosss any 4 GB
boundary.  For instance the latest Emulex adapters.

This normally is not an issue as firmware gives us dma-windows under
4gigs.  However, some of the new System-P boxes have dma-windows above
4gigs, and this present a problem.

I propose fixing it in the IOMMU allocation instead of making each
driver protect against it as it is more efficient, and won't require
changing every driver which has not considered this issue.

This patch checks to see if the mapping spans a 4 gig boundary, and if
it does, retries the allocation.  It tries the next allocation at the
start of the crossed 4 gig boundary.

Signed-off-by: Jake Moilanen <moilanen@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] EDAC ECC software scrubber
Dave Jiang [Fri, 2 Mar 2007 20:36:21 +0000 (13:36 -0700)]
[POWERPC] EDAC ECC software scrubber

Implements the per arch atomic_scrub() that EDAC uses for software
ECC scrubbing.  It reads memory and then writes back the original
value, allowing the hardware to detect and correct memory errors.

Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Update interrupt info in booting-without-of.txt
Stuart Yoder [Fri, 2 Mar 2007 19:42:33 +0000 (13:42 -0600)]
[POWERPC] Update interrupt info in booting-without-of.txt

Create a new section descrbing how interrupts are represented
in the device tree.  Added more detail.  Clarified some things.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Remove unused, undocumented #cpus property from cpus node
Stuart Yoder [Tue, 27 Feb 2007 16:14:14 +0000 (10:14 -0600)]
[POWERPC] Remove unused, undocumented #cpus property from cpus node

The #cpus property is unused and undocumented and is therefore
being removed.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Remove some redundant isync instructions
MOKUNO Masakazu [Mon, 26 Feb 2007 08:21:05 +0000 (17:21 +0900)]
[POWERPC] Remove some redundant isync instructions

Remove some redundant isync instructions.

enable_64b_mode() already does an isync, so there is no need to do it again.

Signed-off-by: MOKUNO, Masakazu <mokuno@sm.sony.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Include stddef.h in asm-powerpc/current.h to get offsetof
Olaf Hering [Sun, 25 Feb 2007 19:04:18 +0000 (20:04 +0100)]
[POWERPC] Include stddef.h in asm-powerpc/current.h to get offsetof

On Tue, Oct 31, Hugh Dickins wrote:

> +++ linux/include/asm-powerpc/current.h 2006-10-30 19:27:05.000000000 +0000

> +static inline struct task_struct *get_current(void)
> +{
> + struct task_struct *task;
> +
> + __asm__ __volatile__("ld %0,%1(13)"
> + : "=r" (task)
> + : "i" (offsetof(struct paca_struct, __current)));

This breaks compile of 2.6.18.8:

  CC [M]  drivers/media/video/pwc/pwc-uncompress.o
In file included from /home/olaf/kernel/linux-2.6.18.8/drivers/media/video/pwc/pwc-uncompress.c:29:
include2/asm/current.h: In function 'get_current':
include2/asm/current.h:23: warning: implicit declaration of function 'offsetof'
include2/asm/current.h:23: error: expected expression before 'struct'
make[5]: *** [drivers/media/video/pwc/pwc-uncompress.o] Error 1

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Make ppc64_defconfig without CONFIG_PPC_PSERIES build
Stephen Rothwell [Fri, 23 Feb 2007 03:41:41 +0000 (14:41 +1100)]
[POWERPC] Make ppc64_defconfig without CONFIG_PPC_PSERIES build

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] PowerPC: select default image for Linkstation
Segher Boessenkool [Thu, 22 Feb 2007 22:52:02 +0000 (23:52 +0100)]
[POWERPC] PowerPC: select default image for Linkstation

Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: G. Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] ps3: always make sure we're running on a PS3
Geert Uytterhoeven [Thu, 22 Feb 2007 15:43:12 +0000 (16:43 +0100)]
[POWERPC] ps3: always make sure we're running on a PS3

Add missing checks to PS3 specific drivers ps3av and sys-manager to verify that
we are actually running on a PS3 (pointed out by Arnd).

Correct existing checks in other subsystems/drivers to return -ENODEV instead
of zero.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Allocate syscall number for sys_getcpu
Stephen Rothwell [Wed, 21 Feb 2007 03:53:50 +0000 (14:53 +1100)]
[POWERPC] Allocate syscall number for sys_getcpu

I forgot to do this when wiring up the syscall.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Automatically lmb_reserve() initrd
David Gibson [Wed, 28 Feb 2007 03:12:29 +0000 (14:12 +1100)]
[POWERPC] Automatically lmb_reserve() initrd

At present, when an initrd is passed to the kernel used flat device
tree properties, the memory the initrd occupies must also be reserved
in the flat tree's reserve map, or the kernel may overwrite it.  That
makes life more complicated than it could be for the bootwrapper.

This patch makes the kernel automatically reserve the initrd's space.
That in turn requires parsing the initrd parameters earlier than they
are currently, in early_init_dt_scan_chosen() instead of
check_for_initrd().

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Allow duplicate lmb_reserve() calls
David Gibson [Wed, 28 Feb 2007 03:12:29 +0000 (14:12 +1100)]
[POWERPC] Allow duplicate lmb_reserve() calls

At present calling lmb_reserve() (and hence lmb_add_region()) twice
for exactly the same memory region will cause strange behaviour.

This makes life difficult when booting from a flat device tree with
memory reserve map.  Which regions are automatically reserved by the
kernel has changed over time, so it's quite possible a newer kernel
could attempt to auto-reserve a region which is also explicitly listed
in the device tree's reserve map, leading to trouble.

This patch avoids the problem by making lmb_reserve() ignore a call to
reserve a previously reserved region.  It also removes a now redundant
test designed to avoid one specific case of the problem noted above.

At present, this patch deals only with duplicate reservations of an
identical region.  Attempting to reserve two different, but
overlapping regions will still cause problems.  I might post another
patch later dealing with this case, but I'm avoiding it now since it
is substantially more complicated to deal with, less likely to occur
and more likely to indicate a genuine bug elsewhere if it does occur.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Unexport mac_hid_mouse_emulate_buttons
Adrian Bunk [Tue, 20 Feb 2007 00:08:12 +0000 (01:08 +0100)]
[POWERPC] Unexport mac_hid_mouse_emulate_buttons

This patch removes the unused
EXPORT_SYMBOL(mac_hid_mouse_emulate_buttons).

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Remove interrupt-controller as a property under /chosen
Stuart Yoder [Mon, 19 Feb 2007 17:25:05 +0000 (11:25 -0600)]
[POWERPC] Remove interrupt-controller as a property under /chosen

 Remove interrupt-controller as a valid property under /chosen in
 the documentation.  There is a consensus that an
 interrupt-controller property does not belong under /chosen.
 /chosen is specifically for dynamic properties set at runtime.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Harden validate_sp against stack corruption
Paul Mackerras [Mon, 19 Feb 2007 00:42:42 +0000 (11:42 +1100)]
[POWERPC] Harden validate_sp against stack corruption

If something has overflowed or corrupted the stack and causes an oops,
and we try to print a stack trace, that will call validate_sp, which
can itself cause an oops if the cpu field of the thread_info struct at
the bottom of the stack has been corrupted (if CONFIG_IRQSTACKS is
set).  This makes debugging harder.

To avoid the second oops, this adds a check to make sure that the cpu
number is reasonable before using it to check whether the stack is on
the softirq or hardirq stack.

Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Fix compile error in prom.h
Andrew Morton [Sun, 18 Feb 2007 01:17:16 +0000 (18:17 -0700)]
[POWERPC] Fix compile error in prom.h

In file included from include/asm/pci.h:20,
                 from include/linux/pci.h:751,
                 from arch/powerpc/sysdev/dart_iommu.c:36:
include/asm/prom.h: In function `of_irq_to_resource':
include/asm/prom.h:341: warning: implicit declaration of function `irq_of_parse_and_map'
include/asm/prom.h:345: error: `NO_IRQ' undeclared (first use in this function)
include/asm/prom.h:345: error: (Each undeclared identifier is reported only once
include/asm/prom.h:345: error: for each function it appears in.)

Seems that prom.h has always wanted irq.h.

Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Fix warning in powermac pci.c
Benjamin Herrenschmidt [Wed, 7 Mar 2007 10:27:55 +0000 (11:27 +0100)]
[POWERPC] Fix warning in powermac pci.c

This fixes a warning due to unused result from pci_enable_device() in
powermac pci.c

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Fix warning in powermac feature.c
Benjamin Herrenschmidt [Wed, 7 Mar 2007 10:27:45 +0000 (11:27 +0100)]
[POWERPC] Fix warning in powermac feature.c

This fixes a warning due to unused return from pci_enable_device() in
powermac feature.c core99_ata100_enable() function.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Fix warning in prom_parse.c of_irq_map_oldworld()
Benjamin Herrenschmidt [Wed, 7 Mar 2007 10:27:37 +0000 (11:27 +0100)]
[POWERPC] Fix warning in prom_parse.c of_irq_map_oldworld()

This function spews a warning due to possible use of an uninitialized
variable. This can happen on broken device-trees or when called with
a NULL argument. Makes ure we properly fail instead.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
15 years ago[POWERPC] Celleb: bug fix caused by not casting pointer types
Ishizaki Kou [Fri, 2 Mar 2007 07:59:25 +0000 (16:59 +0900)]
[POWERPC] Celleb: bug fix caused by not casting pointer types

This fixes a bug caused by changes of pointer type in
commit f1fda89522c5aaa1bd4ef69605e85e6ee9c85faf.

hose->cfg_addr type is "volatile unsigned int __iomem *", so
"hose->cfg_addr + X" will not make an intended address.

This patch also adds comments for usage of cfg_addr and cfg_data in
pci_controller structure.  We use them in irregular way, and the
original code is short of explanations about them.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>